85 lines
1.7 KiB
C
85 lines
1.7 KiB
C
#ifndef CX16_VERA_H
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#define CX16_VERA_H
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// Thanks to crisps for providing the initial code for this library
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#include <c64/types.h>
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#define VERA_ADDRH_DECR 0x08
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#define VERA_ADDRH_INC 0xf0
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#define VERA_CTRL_RESET 0x80
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#define VERA_CTRL_DCSEL 0x02
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#define VERA_CTRL_ADDRSEL 0x01
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#define VERA_IRQ_LINE_8 0x80
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#define VERA_IRQ_AFLOW 0x08
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#define VERA_IRQ_SPRCOL 0x04
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#define VERA_IRQ_LINE 0x02
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#define VERA_IRQ_VSYNC 0x01
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struct VERA
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{
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volatile word addr;
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volatile byte addrh;
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volatile byte data0, data1;
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volatile byte ctrl;
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volatile byte ien;
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volatile byte isr;
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volatile byte irqline;
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volatile byte dcvideo;
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volatile byte dchscale;
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volatile byte dcvscale;
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volatile byte dcborder;
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volatile byte l0config;
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volatile byte l0mapbase;
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volatile byte l0tilebase;
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volatile word l0hscroll;
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volatile word l0vscroll;
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volatile byte l1config;
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volatile byte l1mapbase;
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volatile byte l1tilebase;
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volatile word l1hscroll;
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volatile word l1vscroll;
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volatile byte audioctrl;
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volatile byte audiorate;
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volatile byte audiodata;
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volatile byte spidata;
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volatile byte spictrl;
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};
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#define vera (*(VERA *)0x9f20)
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inline void vram_addr(unsigned long addr);
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inline void vram_put(char data);
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inline void vram_putw(unsigned data);
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inline char vram_get(void);
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inline void vram_put_at(unsigned long addr, char data);
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inline char vram_get_at(unsigned long addr);
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void vram_putn(unsigned long addr, const char * data, unsigned size);
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void vram_getn(unsigned long addr, char * data, unsigned size);
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void vram_fill(unsigned long addr, char data, unsigned size);
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void vera_spr_set(char spr, unsigned addr32, bool mode8, char w, char h, char z, char pal);
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void vera_spr_move(char spr, int x, int y);
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#pragma compile("vera.c")
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#endif
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